The cool and refreshing mint flavour helps freshen breath.
全新薄荷味道，令口腔保持清新怡人口气！
Lactic acid can be used as an active ingredient in toothpaste and other oral hygiene products to prevent tooth decay and freshen breath.
乳酸可用作牙膏和其它口腔卫生品的活性物以防龋齿及保持口腔清洁。
Finally, you'll want to gently brush your tongue to remove more bacteria and freshen your breath.
最后，你可以轻轻地刷下你的舌头来去除更多的细菌和清新你的口气。
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